Introduction: Depression during pregnancy disturbs daily activities, acceptance of new roles, pregnant woman´s life responsibilities, and pregnancy consequences. The goal of this study is to investigate the association between depression during pregnancy and type of delivery and some personal characteristics. Methods: This is a descriptive analytical study in which the data were collected through cross sectional methode.Primarily, 10 health care centers were randomly selected by draw. The participants included 378 pregnant women (108 depressed and 270 non-depressed). The instrument for collecting was questionnaire wtich was developed in two phases. The first phase was during pregnancy and included both personal characteristics and Beck II standard depression questionnaire and the second phase was after delivery and included the subjects’ type of delivery.Content validity and Cronbach´s alpha were employed for validity and reliability of the questionnaires respectively. The data were analyzed with SPSS 20 and descriptive statistics and Chi-square, t-test, Mane-Witny and Logistic regression were used. Results: Frequency of depression in the population studied was 26.7%.The results showed that there were significant association between depression during pregnancy and type of delivery (P=0.01), the education of pregnant women (P<0.001) and their spouses’ education (P=0.001),the pregnant women’s occupation (P=0.04) and their spouses’ occupation (P=0.009). There was no significant association between depression during pregnancy and the women’ age of pregnancy. Conclusion: The findings of the study suggested to have some instructions in psychic health for midwives and the personnel who provide hygienic-iatric services for pregnant women.Finally, it is importand and necessary to recognize the mothers who are supposed to be depressed and refer them to the advisors or psychiatrists